use strict;
my $str = 'PAR1234
PAR 1234
PAR 5678, 1234
PAR 9991234999, 1234
PAR !@#-= 1234
PAR1234-122
PAR#1234-233
ANY TEXT PAR#1234-233
PART 1234
APART 1234
PAR 1234999
PAR 9991234
PAR 9991234999
1234 PAR ';
my $regex = qr/\bPAR1234\b|\bPAR\b.*\b1234\b/p;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html